Vulnerabilities > CVE-2021-3345 - Out-of-bounds Write vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| Application | 1 |
Common Weakness Enumeration (CWE)
References
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html
- https://gnupg.org
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html
- https://bugs.gentoo.org/show_bug.cgi?id=767814
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08